.header {
    background: #FFFFFF;
    border-bottom: 1px solid #F3F5F6;
}

.page-container {
    width: 1152px;
    height: 63px;
    margin: 0 auto;
    font-size: 14px;
    text-align: center;
    line-height: 63px;
}

.nav-item li {
    float: left;
    position: relative;


}

.nav-item li>a {
    display: block;
    font-size: 16px;
    height: 63px;
    line-height: 63px;
    color: #545C63;
    padding: 0 12px !important;
}

.nav-item li .icn-new {
    position: absolute;
    display: inline-block;
    top: 16px;
    right: -3px;
    width: 14px;
    height: 10px;
    background: url(https://www.imooc.com/static/img/common/new2.png) no-repeat 0 0;
    background-size: 100%;
    background-position: center;
}

.header-right {
    float: right;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    height: 63px;
}

.search-box {
    float: left;
    position: relative;
    margin-right: 24px;
    font-size: 16px;
    line-height: 40px;
}

.search-box a i {
    font-size: 20px;

}

.input-search {
    width: 240px;
    box-sizing: border-box;
    background: #F3F5F6;
    border-radius: 4px;
}

.input-search .nav-search-input {
    display: inline-block;
    width: 200px;
    height: 32px;
    line-height: 32px;
    box-sizing: border-box;
    padding-left: 12px;
    background: transparent;
    font-size: 14px;
    color: #545C63;
    outline: none;
    border: 0;
}

.nav-search-box {
    width: 240px;
    /* height: 0; */
    position: absolute;
    top: 52px;
    left: 0;
    background: #fff;
    z-index: 10;
    box-shadow: 0 8px 16px 0 rgb(7 17 27 / 20%);
    transition: height .1s;
}

.hot {
    padding: 12px 0 8px 12px;
    box-sizing: border-box;
}

.hot h2 {
    font-size: 12px;
    color: #1C1F21;
    line-height: 12px;
    margin-bottom: 8px;
    font-weight: bold;
    float: left;
}

.hot-box {
    margin-top: 25px;
    width: 228px;
    height: 120px;
}

.hot-box a {
    background: rgba(84, 92, 99, 0.1);
    border-radius: 12px;
    padding: 4px 12px;
    line-height: 16px;
    margin-right: 4px;
    margin-bottom: 15px !important;
    display: inline-block;
    cursor: pointer;
    font-size: 12px;
    color: #545C63;
    float: left;
}

.hide {
    display: none;
}

.header-favorites {
    float: left;
    position: relative;
    margin-right: 24px;
    font-size: 16px;
    line-height: 40px;
}

.favorites-tips {
    position: absolute;
    bottom: -52px;
    left: 50%;
    width: 212px;
    padding: 12px 20px;
    margin-left: -121px;
    color: #545C63;
    background-color: #fff;
    box-shadow: 0 8px 16px 0 rgb(7 17 27 / 20%);
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    transition: all .2s;
    z-index: 2;
    font-size: 12px;
    line-height: 1;
    text-align: center;
    display: none;
}

.favorites-tips b {
    font-size: 16px;
    color: #F01414;
}

.favorites-tips i {
    font-size: 12px;
}

.gouwuche i {
    font-size: 20px;
}

.gouwuche {
    float: left;
    position: relative;
    margin-right: 24px;
    font-size: 16px;
    line-height: 40px;
}

.login-area {
    float: left;
    position: relative;
}

.login-area .logined {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

i {
    cursor: pointer;
}

.i:hover {
    color: #F01414;
}

.login-area .logined .li-item {
    width: auto;
    margin: 0 25px 0 0;
    position: relative;
}
.login-area .logined .li-item:last-child{
    margin: 0 !important;
}
.login-area .logined .li-item>a {
    color: #545C63;
    font-size: 16px;
    /* line-height: 63px; */
    text-align: center;
    display: block;
}

#header-avator img {
    display: inline-block;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    vertical-align: middle;
    border: 2px solid #F3F5F6;
}

#header-avator img:hover {
    border: 2px solid #F01414;
}
.red{
    border: 2px solid #F01414 !important;
}
.g-user-card {
    overflow: hidden;
    position: absolute;
    right: 0;
    top: 100%;
    z-index: 1000;
    width: 306px;
    padding: 24px;
    background-color: #fff;
    box-shadow: 0 8px 16px 0 rgb(7 17 27 / 20%);
    border-bottom-right-radius: 8px;
    border-bottom-left-radius: 8px;
    box-sizing: border-box;
    display: none
}

.card-inner {}

.card-top {
    color: #93999f;
    position: relative;
}

.card-top img {
    float: left;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 2px solid #fff;
    margin-right: 12px;
}

.card-top-right-box {
    margin-top: -10px;
    float: left;
    margin-left: -10px;
}

.text-ellipsis {
    display: inline-block;
    font-size: 16px;
    color: #07111b;
    width: 170px;
    line-height: 20px;
    text-align: left;
    margin-left: 10px;
}

.meta {
    margin-top: -10px;
    font-size: 12px;
    line-height: 12px;
}

.meta a {
    margin-right: 22px;
    color: #93999f;
}


.js-user-mp {
    margin-left: 18px;
}

.js-user-credit {
    margin-left: 18px;
}

.user-center-box {
    margin-top: 16px;
    margin-bottom: 14px;
}

.user-center-box ul li {
    float: left;
    position: relative;
    width: 127px;
    height: 36px;
        background: #F8FAFC;
    border-radius: 2px;
    color: #4d555d;
    margin: 0 2px 2px 0;
}

.user-center-box li a {
    position: absolute;
    top: 0px;
    left: -20px;
    width: 100%;
    height: 36px;
    line-height: 36px;
    padding-left: 12px;
    box-sizing: border-box;
    color: #1c1f21;
}
.card-sets{
    margin-top: 16px;
    font-size: 12px;
    line-height: 12px;
    color: #93999F;
    float: left;
}
#main{
    padding: 0;
    position: relative;
    /* height: 148px; */
}
.uit-int{
    margin-bottom: 40px;
    height: 148px;
    background: url('https://static3.sycdn.imooc.com/static/img/u/temp1.png') no-repeat center top #000;
    background-size: cover;
}
.nkj{
    position: relative;
    width: 1152px;
    margin: 0 auto;
    padding-bottom: 0;
}
.txsg{
    float: left;
    width: 148px;
    height: 148px;
}
.digt{
    border: 4px solid #fff;
    box-shadow: 0 4px 8px 0 rgba(7,17,27,.1);
    width: 140px;
    height: 140px;
    position: relative;
    border-radius: 50%;
    background: #fff;
    top: 24px;
}
.xgtp{
    text-align: center;
    width: 140px;
    height: 140px;
    border-radius: 50%;
}
.dqinm{
    float: right;
    width: 980px;
}
.nnh{
    font-weight: 600;
    text-align: left;
    font-size: 24px;
    color: #fff;
    line-height: 28px;
    margin-top: 48px;
}
.nmsl{
    font-size: 14px;
    color: #fff;
    line-height: 20px;
    text-align: left;
    margin-top: 6px;
}
.nmsl span{
    display: inline-block;
    margin-right: 10px;
    font-size: 14px;
    color: #fff;
    line-height: 20px;
}
.cfvg{
    font-size: 12px;
    color: rgba(255,255,255,.6);
    line-height: 16px;
    display: inline-block;
    height: 16px;
    padding-left: 16px;
    border-left: 2px solid rgba(255,255,255,.4);
    cursor: pointer;
}
.icon-jiantou-copy-copy{
    font-size: 9px;
}
.cfvg1{
    display: none;
}
.fycg{
    display: none;
    font-size: 14px;
    color: #fff;
    line-height: 24px;
    width: 440px;
    overflow: hidden;
    word-break: break-all;
    word-wrap: break-word;
}
.htyu{
    font-size: 14px;
    line-height: 24px;
    color: #fff;
    text-align: left;
    margin-top: 20px;
    word-break: break-all;
    word-wrap: break-word;
    opacity: .5;
    margin-left: 24px;
}
.jkl{
    position: absolute;
    top: 48px;
    right: 10px;
    min-width: 200px;
    text-align: right;
}
.inth{
    line-height: 48px;
    vertical-align: middle;
    height: 48px;
    float: left;
    margin-right: 24px;
    width: 56px;
}
.uiop-ijh{
    line-height: 48px;
    /* vertical-align: middle; */
    /* height: 48px; */
    float: left;
    margin-right: 24px;
    position: absolute;
    /* top: 48px; */
    /* right: 10px; */
    /* min-width: 200px; */
    text-align: right;
}
em {
    font-style: normal;
    display: block;
    text-align: center;
    font-weight: 700;
    font-size: 24px;
    color: rgba(255,255,255,.8);
    line-height: 28px;
}
.uiop-ijh span{
    display: block;
    text-align: center;
    font-size: 14px;
    color: rgba(255,255,255,.8);
    line-height: 20px;
    margin-top: 4px;
}
.giht{
    line-height: 48px;
    vertical-align: middle;
    height: 48px;
    float: left;
    margin-right: 24px;
}
.ZmwsNwy{
    padding: 8px 16px;
    border: 1px solid rgba(255,255,255,.4);
    border-radius: 18px;
    font-size: 14px;
    color: rgba(255,255,255,.8);
    line-height: 20px;
    height: 20px;
}
.nrgi-injh{
    /* margin-top: 40px; */
    position: relative;
    width: 1200px;
    margin: 0 auto;
    /* height: 1200px; */
}
.thl-rat{
    position: absolute;
    width: 172px;
    left: 24px;
    top: 0;
}
.qbdnr{
    margin-left: 240px;
    min-height: 589px;
}
.thl-rat ul li {
    height: 48px;
    width: 160px;
    margin: 0 auto 8px;
    /* position: absolute; */
}

.thl-rat>ul>li>a{
    position: relative;
    display: block;
    height: 48px;
    font-size: 16px;
    line-height: 48px;
    text-align: center;
    color: #787d82;
    padding-left: 29px;
    text-align: left;
}
.aipo{
    color: #fff;
    background: rgba(240,20,20,.8);
    border-radius: 8px 0 0 8px;
}
.aipo>span{
    color: #fff;
}
.aipo>.iconfont{
    color: #fff;
}
.icon-dengbiansanjiaoxin{
    display: block;
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    border-top: 24px solid #f8fafc;
    border-bottom: 24px solid #f8fafc;
    border-left: 15px solid transparent;
}
.thl-rat>ul>li>a>span{
    padding-left: 8px;
}
.fgsh{
    font-size: 16px;
    color: #545c63;
    height: 52px;
    line-height: 52px;
    margin-top: 18px;
    border-bottom: 1px solid #d9dde1;
}
.bhj{
    float: left;
}
.alwj{
    margin-right: 64px;
    display: inline-block;
    color: #545c63;
}
.afsd{
    color: #f20d0d;
    border-bottom: 2px solid #f20d0d;
}
.fgsd{
    margin-top: 28px;
}
.dgs{
    font-size: 18px;
    color: #b5b9bc;
    text-align: center;
    padding: 145px 0 100px;
}
.klp{
    color: #f01400;
}
.lhah{
    width: 100%;
    margin-top: 48px;
    padding-bottom: 40px;
}
h4{
    font-size: 16px;
    color: #1c1f21;
    line-height: 18px;
    font-weight: 400;
}
.awuo{
    clear: both;
    margin-top: 24px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}
.dygsf{
    width: 216px;
    margin-bottom: 8px;
    margin-left: 24px;
}
.wzd{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.lafti{
    position: relative;
    margin-bottom: 8px;
    float: left;
}
.lafti>img{
    width: 216px;
    height: 120px;
    border: 0;
    border-radius: 8px;
}
.zma{
    width: 100%;
    text-align: left;
    box-sizing: border-box;
}
.fgjl{
    margin-top: 0;
    font-size: 16px;
    color: #1c1f21;
    line-height: 22px;
    font-weight: 700;
    text-align: left;
    margin-bottom: 4px;
    max-height: 44px;
    overflow: hidden;
}
.fgbc{
    font-size: 12px;
    color: #545c63;
    text-align: left;
    line-height: 18px;
}
.fgbc span{
    margin-right: 12px;
}
.icon-xiaoren{
    font-size: 12px;
    color: #545c63;
    text-align: left;
}
#lps{
    margin-right: 1px;
}
.dbl{
    background: #fff;
    border-top: 1px solid #f3f5f6;
    font-size: 12px;
    color: #93999F;
    padding: 36px 0;
    min-width: 620px;
    position: relative;
    z-index: 21;
    font-weight: 300;
}
.nbds{
    width: auto;
    max-width: 1152px;
    margin: 0 auto;
    height: 56px;
}
.r{
    float: right;
}
.asdx{
    float: left;
    position: relative;
    width: 32px;
    height: 32px;
    margin-right: 24px;
    text-align: center;
    background-image: none;
    background: #B7BBBF;
    border-radius: 100px;
    z-index: 2
}
.klio{
    color: #fff;
    font-size: 20px;
    line-height: 32px;
}
.asdx:hover{
    background: #545C63;
}
.cgf{
    background: #545C63;
}
.lpo{
    float: left;
}
.mkj{
    margin-bottom: 8px;
    line-height: 1.8;
}
.klpoi{
    overflow: hidden;
    margin-top: -1px;
}
.klpoi>li{
    margin-right: 27px;
    text-align: center;
    float: left;
    font-size: 14px;
}